<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>吃了吗</title>
</head>
<body>
<!--昵称-->
    <form>
    昵称:<input type="text" placeholder="请输入你的昵称"/><br>
    密码:<input type="password" placeholder="请输入你的密码"/><br>
    性别:<input type="radio" name="sex" checked width="50px">男</input>
        <input type="radio" name="sex">女</input><br><br>
        爱好:<input type="checkbox" id="one"><label for="one">敲代码</label>
        <input type="checkbox" checked id="hair"><label for="hair">掉头发</label></input>
        <label><input type="checkbox" checked>熬夜</input></label><br><br>
    <input type="file" multiple/><br><br>
    <input type="submit"/>
    <input type="reset"/>
    <input type="button" value="普通按钮"/>
    </form>
<!--    -->
</body>
</html>